Fig. 3: Magnetic field-controlled photocurrent.
From: Multi-parameter control of photodetection in van der Waals magnet CrSBr
a Photon energy-dependent photocurrent under different external magnetic fields (H//c) illuminated by 0.5-µW light polarized along the b axis at 1.65 K. The inset is the calculated band structure of bilayer CrSBr in the FM state, and the allowed interband transitions are identified. b Normalized PL (left) and photocurrent (right) signals in the magnetic field-photon energy parameter space. The white dashed arrow lines are the corresponding quadratic fit to experimental data below the saturation field for Iph peak ~1.362 eV and PL peaks. Hsf represents the spin-flip transition field that separates the canting AFM (CAFM) state and the forced FM state
